There are many elective courses for students to choose at my university, (range) from art to zoology. For instance, I took a course on the harmonica this semester.
I think the elective courses give me a feeling that I can't get from compulsory courses. For example, when I am bored with learning English, I take out the harmonica and play for a while, and immediately all my (bore) will go away.
One of my roommates chose to take Japanese as an elective, she believes (prove) useful to her career. After all, second language can make her resume more attractive. She is more practical than I am, but I'd say that the (major) of students choose their electives out of personal interests.
There is no (deny) the fact that elective courses can (broad) our horizon. However, as the saying goes "You can't have your cake and eat it, too." We shouldn't neglect the major course we are studying while immersing ourselves in the (please) we find in elective courses.